public ActionResult Create()
 {
     ViewBag.ClassRosterId = new SelectList(db.ClassRosters, "ClassRosterId", "ClassRosterId");
     var rosterAttendance = new RosterAttendance
         {
             ClassDate = DateTime.Now
         };
     return View(rosterAttendance);
 }
        public ActionResult Create(RosterAttendance rosterattendance)
        {
            if (ModelState.IsValid)
            {
                db.RosterAttendances.Add(rosterattendance);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            ViewBag.ClassRosterId = new SelectList(db.ClassRosters, "ClassRosterId", "ClassRosterId", rosterattendance.ClassRosterId);
            return View(rosterattendance);
        }
 public ActionResult Edit(RosterAttendance rosterattendance)
 {
     if (ModelState.IsValid)
     {
         db.Entry(rosterattendance).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     ViewBag.ClassRosterId = new SelectList(db.ClassRosters, "ClassRosterId", "ClassRosterId", rosterattendance.ClassRosterId);
     return View(rosterattendance);
 }